Global Patent Index - EP 1705381 A2

EP 1705381 A2 20060927 - Water pump drive system

Title (en)

Water pump drive system

Title (de)

Antriebseinrichtung für eine Wasserpumpe

Title (fr)

Système de transmission pour pompe à eau

Publication

EP 1705381 A2 20060927 (EN)

Application

EP 06005734 A 20060321

Priority

JP 2005086906 A 20050324

Abstract (en)

An impeller apparatus for a water pump, which includes a driven side rotation body (21, 46, 48, 51) having a shaft portion (22), and an impeller (25) attached on the shaft portion to integrally rotate with the driven side rotation body, characterized in that the driven side rotation body is arranged coaxially to a drive side rotation body (31) which operates an auxiliary, and a plane portion (24a, 46a, 48a, 51a) formed on the driven side rotation body, which is configured to engage with an intermediate member (41) provided on an internal periphery of the drive side rotation body to project inwardly in a radial direction to integrally rotate the driven side rotation body and the drive side rotation body, is positioned outside of the shaft portion in a radial direction.

IPC 8 full level

F04D 13/02 (2006.01); F01P 5/12 (2006.01); F02B 67/06 (2006.01)

CPC (source: EP US)

F01P 5/12 (2013.01 - EP US); F04D 13/021 (2013.01 - EP US)

Citation (applicant)

JP 2004052723 A 20040219 - AISIN SEIKI

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1705381 A2 20060927; EP 1705381 A3 20081008; JP 2006266188 A 20061005; US 2006216164 A1 20060928; US 7311499 B2 20071225

DOCDB simple family (application)

EP 06005734 A 20060321; JP 2005086906 A 20050324; US 38572506 A 20060322